Balance bike



FIG. 1 is a perspective view of the balance bike, showing the new design;

FIG. 2 is a front elevational view of the balance bike thereof;

FIG. 3 is a rear elevational view of the balance bike thereof;

FIG. 4 is a right side elevational view of the balance bike thereof;

FIG. 5 is a left side elevational view of the balance bike thereof;

FIG. 6 is a top plan view of the balance bike thereof; and,

FIG. 7 is a bottom plan view of the balance bike thereof.

The broken lines in the drawings illustrate portions of the balance bike that form no part of the claimed design. 

CLAIM The ornamental design for a balance bike, as shown and described. 